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Study on construction of a plasmid vector carrying human hepatocyte growth factor gene and activity of its expression product / 中国应用生理学杂志
Chinese Journal of Applied Physiology ; (6): 278-282, 2002.
Article in Chinese | WPRIM | ID: wpr-319308
ABSTRACT
<p><b>AIM</b>To construct a plasmid carrying hepatocyte growth factor gene and investigate its effects in vitro.</p><p><b>METHODS</b>A complementary DNA (cDNA) clone for human HGF was isolated from human placental cDNA, then subcloned into pUDK vector, which was constructed by ourselves, to form the pUDKH plasmid. The transfection efficiency and the expression level of HGF and VEGF were evaluated by transfecting pUDK or pUDKH into primary rat skeletal muscle cells. The biological effects of HGF-expressing product at different doses on endothelial cells were investigated in vitro, and assessed by MTT.</p><p><b>RESULTS</b>The primary rat skeletal muscle cells could be transfected efficiently with pUDKH (0.057%), and secreted HGF(16 -18 ng/4 x 10(5) cells) and VEGF proteins. The expressing product could significantly stimulate proliferation of human umbilical vein endothelial cells, in a dose-dependent manner (P < 0.05).</p><p><b>CONCLUSION</b>pUDKH has the potential application in vivo to treat ischemic diseases.</p>
Subject(s)
Full text: Available Index: WPRIM (Western Pacific) Main subject: Plasmids / Transfection / Cells, Cultured / Rats, Wistar / Hepatocyte Growth Factor / DNA, Complementary / Genetic Vectors / Genetics / Metabolism Limits: Animals / Humans Language: Chinese Journal: Chinese Journal of Applied Physiology Year: 2002 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Main subject: Plasmids / Transfection / Cells, Cultured / Rats, Wistar / Hepatocyte Growth Factor / DNA, Complementary / Genetic Vectors / Genetics / Metabolism Limits: Animals / Humans Language: Chinese Journal: Chinese Journal of Applied Physiology Year: 2002 Type: Article